If you've held a position for long enough it may have been purchased before brokers were required to keep track. Your broker may not have enough information to

If you've held a position for long enough it may have been purchased before brokers were required to keep track. Your broker may not have enough information to provide the cost basis. I have a couple small positions I've held for more than 20 years now. At this point it will be more trouble to deal with the taxes than they're worth, so I'll probably just hold onto them and let my heirs deal with it.